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Finding the Fourth Proportional to 78,802.04, 108,753.30 and 44,821.16

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Solution

The fourth proportional to 78,802.04, 108,753.30 and 44,821.16 is: 61,856.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,802.04 : 108,753.30 = 44,821.16 : x
  2. Step 2: Convert to fraction form
    78,802.04/108,753.30 = 44,821.16/x
  3. Step 3: Cross multiply
    78,802.04x = 108,753.30 × 44,821.16
  4. Step 4: Simplify right side
    78,802.04x = 4,874,449,059.83
  5. Step 5: Solve for x
    x = 4,874,449,059.83/78,802.04
  6. Step 6: Final answer
    x = 61,856.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.